diff --git a/demo.xcodeproj/project.pbxproj b/demo.xcodeproj/project.pbxproj
index a993478..02fadeb 100644
--- a/demo.xcodeproj/project.pbxproj
+++ b/demo.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 51;
+	objectVersion = 48;
 	objects = {
 
 /* Begin PBXBuildFile section */